From time to time, particularly when visiting the site from multiple terminals, your cookie set may become damaged, requiring a user to clear their cookies for the site.
Located at the top of the side bar on the left, in the menu box, is a link labeled “my cookies.” Once you’re logged in, click on that link, “expire” your cookies and log back in. 99.99999999% of ALL troubles of little bugs related to this site will be fixed by going through this little quick fix.
Try it if things are acting a little weird or different and I’m betting things will be back to normal.